Apple has been on quite the role with OS X betas and the Cupertino California company seems to be at it again. Build 12D58 of OS X Mountain Lion 10.8.3 was released to developers earlier today, marking the eight beta iteration of the newest version of Mountain Lion. OS X 10.8.3 was first seeded to developers in November and has been in development since.

The current build (Build 12D58) comes a week after build 12D54 and much like the previous build, contains no known issues or features. Build 12D54 brought significant changes to Wi-Fi while asking developers to focus on testing AirPlay, AirPort, Game Center, Graphics Drivers, and Safari. The folks over at 9to5Mac noted that the new build again contained significant changes to Wi-Fi but additional changes remain unknown at the moment.